Individual extinctions were obtained from [1]}. They gathered extinctions from the database of [2]}, converting them to the [3]} system, and then taking an error-weighted mean. We adjusted these reddenings to the more recent system of [4]} based on an overlapping sample of 29 stars. We find a significant scaling factor of \(1.055\pm 0.034\)  must be applied to the [1]} reddenings, as shown in Figure REF . However, we choose not to apply the small zero-point offset of \(+0.011 \pm 0.030\) , as it is statistically consistent with zero. The systematic errors due to this conversion are calculated in Section REF .
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